28026230 has 8 divisors (see below), whose sum is σ = 50447232. Its totient is φ = 11210488.

The previous prime is 28026223. The next prime is 28026253. The reversal of 28026230 is 3262082.

28026230 is nontrivially palindromic in base 9.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28026196 and 28026205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401302 + ... + 1401321.

It is an arithmetic number, because the mean of its divisors is an integer number (6305904).

Almost surely, 2^28026230 is an apocalyptic number.

28026230 is a deficient number, since it is larger than the sum of its proper divisors (22421002).

28026230 is a wasteful number, since it uses less digits than its factorization.

28026230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802630.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28026230 is about 5293.9805439763. The cubic root of 28026230 is about 303.7536886996.

The spelling of 28026230 in words is "twenty-eight million, twenty-six thousand, two hundred thirty".